초록 ▼

An automatic vertical blind controller with memory, particularly an automatic vertical blind controller with automatic/manual operated memory for control of vertical blind turning and movement automatically by referring to a reference data in the memory representing the upper limit degree of turning

An automatic vertical blind controller with memory, particularly an automatic vertical blind controller with automatic/manual operated memory for control of vertical blind turning and movement automatically by referring to a reference data in the memory representing the upper limit degree of turning/movement set up by its user, comprising an outer casing, an inner casing and a control circuit board, in which the control circuit board is composed of an infrared receiver circuit, a manual operated push button control circuit, a single-chip microprocessor, two relay motor driving circuits, a music control circuit, and a power supply; the inner casing is incorporated with two d.c. motors each incorporated with a reducing gear, two light sensor within it, and a chain pulley, a cord pulley, two light detectors, two guide wheels, and two press wheels outside the inner casing except the two light detectors are located below the chain pulley and the cord pulley within the inner casing; the control circuit board is located at the rear part of the inner casing; the outer casing is incorporated with five push buttons and has a size just for fitting of the inner casing.

대표청구항 ▼

In an automatic vertical blind controller having a memory and including an inner casing having two sets of DC motors, one of which includes means for driving a chain pulley and the other of which includes means for driving a cord pulley, the improvement comprising: a control circuit which includes a

In an automatic vertical blind controller having a memory and including an inner casing having two sets of DC motors, one of which includes means for driving a chain pulley and the other of which includes means for driving a cord pulley, the improvement comprising: a control circuit which includes a microprocessor having a memory for storing reference data representing an overload position of said motor; means for detecting positions of said pulleys based on rotation thereof; means for activating said pulleys to rotate, wherein said control circuit includes means for, upon initial activation of said pulleys, operating said motors until overload positions are reached, and storing said overload positions as reference data in said memories, and means for, upon subsequent activation of said pulleys, comparing movement of said pulleys with the stored reference data in order to control the degree of turning, opening and closing of the vertical blind without overload.